(a-b)(a-b) = কত? A a2-b2 B a2-2ab+b2 C a2+2ab+b2 D a2+b2 (a-b)(a-b) = কত? Correct Answer a2-2ab+b2 মোঃ আরিফুল ইসলাম Feb 20, 2025 গণিত Sonali Bank Ltd Sonali Bank Ltd - Senior Officer - 22.08.2014